Routing Table Report 04:00 +10GMT Mon 14 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 469488
Prefixes after maximum aggregation: 189163
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232882
Total ASes present in the Internet Routing Table: 45180
Prefixes per ASN: 10.39
Origin-only ASes present in the Internet Routing Table: 35259
Origin ASes announcing only one prefix: 16262
Transit ASes present in the Internet Routing Table: 5912
Transit-only ASes present in the Internet Routing Table: 160
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 35
Max AS path prepend of ASN ( 59482) 25
Prefixes from unregistered ASNs in the Routing Table: 310
Unregistered ASNs in the Routing Table: 176
Number of 32-bit ASNs allocated by the RIRs: 5189
Number of 32-bit ASNs visible in the Routing Table: 4009
Prefixes from 32-bit ASNs in the Routing Table: 12425
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 727
Number of addresses announced to Internet: 2648291220
Equivalent to 157 /8s, 217 /16s and 183 /24s
Percentage of available address space announced: 71.5
Percentage of allocated address space announced: 71.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.1
Total number of prefixes smaller than registry allocations: 164467
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111357
Total APNIC prefixes after maximum aggregation: 33863
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 113421
Unique aggregates announced from the APNIC address blocks: 46798
APNIC Region origin ASes present in the Internet Routing Table: 4875
APNIC Prefixes per ASN: 23.27
APNIC Region origin ASes announcing only one prefix: 1223
APNIC Region transit ASes present in the Internet Routing Table: 828
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 710
Number of APNIC addresses announced to Internet: 728468480
Equivalent to 43 /8s, 107 /16s and 140 /24s
Percentage of available APNIC address space announced: 85.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8,
49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8,
106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
222/8, 223/8,
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 163031
Total ARIN prefixes after maximum aggregation: 81424
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163501
Unique aggregates announced from the ARIN address blocks: 75974
ARIN Region origin ASes present in the Internet Routing Table: 15899
ARIN Prefixes per ASN: 10.28
ARIN Region origin ASes announcing only one prefix: 6019
ARIN Region transit ASes present in the Internet Routing Table: 1660
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 24
Number of ARIN addresses announced to Internet: 1073131008
Equivalent to 63 /8s, 246 /16s and 174 /24s
Percentage of available ARIN address space announced: 56.8
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647, 29696-30719, 31744-33791
35840-36863, 39936-40959, 46080-47103
53248-55295, 62464-63487, 393216-394239
ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8,
12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8,
20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8,
29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8,
40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8,
53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8,
65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8,
72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8,
98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
216/8,
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 118739
Total RIPE prefixes after maximum aggregation: 61335
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122337
Unique aggregates announced from the RIPE address blocks: 79009
RIPE Region origin ASes present in the Internet Routing Table: 17468
RIPE Prefixes per ASN: 7.00
RIPE Region origin ASes announcing only one prefix: 8266
RIPE Region transit ASes present in the Internet Routing Table: 2824
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2409
Number of RIPE addresses announced to Internet: 656425572
Equivalent to 39 /8s, 32 /16s and 66 /24s
Percentage of available RIPE address space announced: 95.4
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-35839, 38912-39935
40960-45055, 47104-52223, 56320-58367
59392-61439, 61952-62463, 196608-200191
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8,
83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8,
90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 52126
Total LACNIC prefixes after maximum aggregation: 9911
LACNIC Deaggregation factor: 5.26
Prefixes being announced from the LACNIC address blocks: 57213
Unique aggregates announced from the LACNIC address blocks: 26526
LACNIC Region origin ASes present in the Internet Routing Table: 2042
LACNIC Prefixes per ASN: 28.02
LACNIC Region origin ASes announcing only one prefix: 565
LACNIC Region transit ASes present in the Internet Routing Table: 384
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 860
Number of LACNIC addresses announced to Internet: 140462128
Equivalent to 8 /8s, 95 /16s and 72 /24s
Percentage of available LACNIC address space announced: 83.7
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 11647
Total AfriNIC prefixes after maximum aggregation: 2530
AfriNIC Deaggregation factor: 4.60
Prefixes being announced from the AfriNIC address blocks: 12289
Unique aggregates announced from the AfriNIC address blocks: 3966
AfriNIC Region origin ASes present in the Internet Routing Table: 651
AfriNIC Prefixes per ASN: 18.88
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 132
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 47741184
Equivalent to 2 /8s, 216 /16s and 121 /24s
Percentage of available AfriNIC address space announced: 47.4
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2943 11563 946 Korea Telecom (KIX)
17974 2714 903 90 PT TELEKOMUNIKASI INDONESIA
7545 2089 321 112 TPG Internet Pty Ltd
4755 1779 391 187 TATA Communications formerly
9829 1556 1241 43 BSNL National Internet Backbo
9498 1203 309 74 BHARTI Airtel Ltd.
4808 1191 2131 347 CNCGROUP IP network: China169
9583 1179 89 513 Sify Limited
7552 1156 1080 13 Vietel Corporation
24560 1091 380 164 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3060 3689 59 BellSouth.net Inc.
22773 2169 2943 140 Cox Communications, Inc.
18566 2066 382 184 Covad Communications
1785 2020 679 126 PaeTec Communications, Inc.
20115 1679 1651 616 Charter Communications
4323 1621 1104 422 Time Warner Telecom
701 1517 11148 790 UUNET Technologies, Inc.
30036 1385 310 568 Mediacom Communications Corp
7018 1331 17514 857 AT&T WorldNet Services
6983 1294 771 579 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1842 544 17 OJSC "Vimpelcom"
34984 1361 244 219 TELLCOM ILETISIM HIZMETLERI A
20940 1056 389 812 Akamai Technologies European
31148 992 44 19 FreeNet ISP
6830 895 2366 428 UPC Distribution Services
13188 875 99 62 TOV "Bank-Inform"
8551 754 370 41 Bezeq International
12479 688 799 49 Uni2 Autonomous System
35228 541 246 16 Avatar Broadband Limited
34744 516 157 53 SC GVM SISTEM 2003 SRL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3393 1752 90 NET Servicos de Comunicao S.A
10620 2602 423 249 TVCABLE BOGOTA
7303 1724 1135 233 Telecom Argentina Stet-France
18881 1462 844 20 Global Village Telecom
8151 1341 2815 417 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 839 93 90 Telconet S.A
6147 801 373 27 Telefonica Del Peru
6503 796 434 62 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1864 112 5 Sudanese Mobile Telephone (ZA
24863 881 274 29 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 426 956 9 TEDATA
24835 292 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 223 17 11 Ci Telecom Autonomous system
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29975 192 668 21 Vodacom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3393 1752 90 NET Servicos de Comunicao S.A
6389 3060 3689 59 BellSouth.net Inc.
4766 2943 11563 946 Korea Telecom (KIX)
17974 2714 903 90 PT TELEKOMUNIKASI INDONESIA
10620 2602 423 249 TVCABLE BOGOTA
22773 2169 2943 140 Cox Communications, Inc.
7545 2089 321 112 TPG Internet Pty Ltd
18566 2066 382 184 Covad Communications
1785 2020 679 126 PaeTec Communications, Inc.
36998 1864 112 5 Sudanese Mobile Telephone (ZA
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3060 3001 BellSouth.net Inc.
17974 2714 2624 PT TELEKOMUNIKASI INDONESIA
10620 2602 2353 TVCABLE BOGOTA
22773 2169 2029 Cox Communications, Inc.
4766 2943 1997 Korea Telecom (KIX)
7545 2089 1977 TPG Internet Pty Ltd
1785 2020 1894 PaeTec Communications, Inc.
18566 2066 1882 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1842 1825 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62734 UNALLOCATED 8.31.128.0/24 6939 Hurricane Electric
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.100.0.0/24 4847 China Networks Inter-Exchange
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.90.192.0/18 36086 Broad Communications Technolo
23.91.0.0/19 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Capital Technology Services G
23.91.96.0/20 40676 Psychz Networks
23.91.112.0/21 32475 MidPhase Inc.
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.164.0/22 36493 3757277 Canada Inc. (oa 295.c
Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:11 /10:31 /11:92 /12:251
/13:479 /14:916 /15:1628 /16:12813 /17:6705 /18:11235
/19:22995 /20:32613 /21:35331 /22:49975 /23:43122 /24:248736
/25:901 /26:993 /27:484 /28:48 /29:79 /30:20
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1709 3060 BellSouth.net Inc.
8402 1535 1842 OJSC "Vimpelcom"
22773 1439 2169 Cox Communications, Inc.
30036 1240 1385 Mediacom Communications Corp
11492 1192 1233 Cable One
1785 1085 2020 PaeTec Communications, Inc.
6983 1034 1294 ITC^Deltacom
22561 966 1241 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:845 2:817 3:3 4:17 5:995 6:20
8:614 12:1892 13:3 14:874 15:11 16:3
17:17 18:19 20:21 23:469 24:1720 27:1614
31:1466 32:45 33:2 34:5 36:81 37:1829
38:913 39:3 40:181 41:3236 42:249 44:14
46:2027 47:6 49:682 50:836 52:12 54:39
55:3 56:2 57:26 58:1165 59:607 60:359
61:1429 62:1188 63:1977 64:4551 65:2349 66:4167
67:2123 68:1098 69:3293 70:872 71:496 72:2018
74:2570 75:327 76:307 77:1167 78:1087 79:651
80:1329 81:1020 82:626 83:588 84:597 85:1196
86:453 87:1022 88:556 89:1734 90:155 91:5636
92:607 93:1606 94:2032 95:1628 96:518 97:342
98:1048 99:42 100:31 101:614 103:3401 105:522
106:143 107:211 108:511 109:1905 110:968 111:1133
112:581 113:793 114:722 115:1040 116:990 117:832
118:1171 119:1293 120:378 121:747 122:1885 123:1216
124:1362 125:1427 128:645 129:236 130:324 131:670
132:348 133:158 134:547 135:67 136:276 137:240
138:348 139:179 140:196 141:314 142:547 143:410
144:497 145:96 146:516 147:401 148:703 149:353
150:156 151:614 152:413 153:201 154:47 155:486
156:283 157:422 158:282 159:772 160:350 161:442
162:773 163:227 164:630 165:556 166:258 167:622
168:1048 169:127 170:1118 171:190 172:25 173:1615
174:671 175:509 176:1235 177:2368 178:1924 179:176
180:1566 181:756 182:1340 183:482 184:653 185:934
186:2602 187:1506 188:1886 189:1325 190:7234 192:7062
193:5422 194:4031 195:3320 196:1321 197:1015 198:4731
199:5470 200:6095 201:2534 202:8972 203:8897 204:4529
205:2634 206:2843 207:2915 208:4000 209:3642 210:2931
211:1572 212:2204 213:2019 214:904 215:99 216:5363
217:1686 218:622 219:315 220:1280 221:557 222:326
223:507
End of report